Improvement in heating-drums



T.. B. FIELD. HEATING-DRUM.

Patented Nov. 23, 1875.

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THOMAS .-B. FIELD,.OF CORNING, NEW YORK, ASSIGNOR TO MARY E. C. FIELD, OF SAME PLACE.

IMPROVEMENT IN VHEATING-DRUMS.

Specification forming part of Letters Patent No. 170,247, dated November 23, 1875; application tiled September 22, 1875.

To all whom lit may concern:

Be it known that I, THOMAS B. FIELD, of Corning, in the county of Steuben and State of New York, have invented certain new and useful Improvements in Heating-Drums; and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable others skilled in the art to which it pertains to make and use the same, reference being had to the accompanying drawing, and to the letters of reference marked thereon, which form a part of this specification.

This invention has reference to an air or water heatingl drum, which is designed to be used in connection with a stove, a stove-pipe, smoke-box, or the smoke-stack of a stove or furnace, for utilizing the escaping products of combustion as a medium for heating air and water.

The invention consists in the combination, with a closed drum or ease, and a group of open-ended pipes arranged therein to form a central draft-tine, of a head or damper fixed within the central flue, to turn therein free of the flue-pipes, to open and close said central ue to a direct draft. rIhe damper does not ll the central space formed by the group of pipes, but leaves an annular space, when turned horizontally, between it and the pipes to effect a sufficient draft within the central nue when the` damper is closed.

In the accompanying drawings, Figure 1 is a vertical longitudinal section of a drum ernbracing my invention. Fig. 2 is a top View, and Fig. 3 a horizontal section.

The drum or cylindrical casing A is traversed by a series or group of tubes, B, which are arranged in a circle or arc of a circle, and pass through end heads or caps O of the drum. The tubes are provided with open ends, and they are secured in the heads of the drums by striking down or flangin g the ends of the same. n

Instead of Hanging the tubes down onto the caps, as described. the heads may be cast with a tlange on top side. The flues, either cast or ordinary boiler-hues, may be butted through the flue-hole in the cap against this flange above. The heads would, in this case, be held together by wrought-iron rods (with nuts or heads) passing through the drum and through the heads. This arrangement provides for the expansion of metal.

Uentral openings D, made in both heads of the drum, connect, respectively, with inlet and outlet pipes, for products of combustion which may be derived from a stove, furnace, or other source. The openings D for inlet and outlet of products of combustion may, either one or both of them. be 011 the side of the drum or casing instead of at the ends, in which case the inlet or outlet at the end or ends, as the case may be, or` both, may be closed to correspond.

A perforated dome or cap may be placed on top or bottom, or ou both top and bottom, of drum A, preparatory to conveying air from the room in which the heat is generated, or it' I desire to conduct the heated air through the ceiling into an upper room through a register, or if I desire to distribute air into the tubes from a blower. The drum may be located between two sections of stove-pipe; or it can be applied directly to the stove or furnace, either outside or inside ofthe same.

The heated gases or products of combustion enterirg the drum are diffused or spread laterally, so as to cause all the caloric to be absorbed by the cold-air-conducting tubes passing through the drum. In consequence thereof, the cold air will be suficientl y heated in its transit through the tubes to be available for warming` rooms, &c., thus utilizing the waste products of combustion from stoves and furnaces as aheat-generatin g medium.

The proper deiiection and commingling of the heated gases entering at the center'of the drum, and the cooler air next the radiatingsurf-acc of the drum and tubes, is attained through the medium `of a damper-disk, E, which is located at or about the middle portion of the drum, and inside of the group of air-heating pipes. The handle or rod F of the damper passesl through the drum, sothat it can be readily manipulated for interceptiug the products of combustion to throw them against the tubes; or it can be opened to enable a direct draft to take place.

A drum for heating water, instead of air, is formed by connecting the pipes by a return tral draft-flue D therein, the turning-damper E, opening'and closing the central draft-line free of the pipes, and leaving a partial central draft when so closed, as and for the purpose set forth.

In testimonyT that I claim the foregoing I have affixed my signature in presence of `two Witnesses.

THOMAS B. FIELD.

Witnesses:

ELLsWoRTH D. MILLS, E. C. ENGLISH. 

